generate selected SSL context options for the Predis client.

see https://www.php.net/manual/en/context.ssl.php

closes #1804

Co-authored-by: Ludovic Gruttadauria <ludovic.gruttadauria@belnet.be>

This reverts commit 153d109d.

* Migrate metadata-extensions to new interface

* Bump saml2-library

* Migrate md:Organization to new interface

* Bump saml2 library

* Drop hint.cidr functionality; use mdui:DiscoHints/IPHint instead

* Migrate md:KeyDescriptor to new interface

* Bump saml2 library

* Migrate ds-elements to new interface from xml-security lib

* Migrate md:ContactPerson to new interface

* Fix hosted SP metadata generation

* Fix codesniffer issues

* Bump saml2-lib

* Migrate md:NameIDFormat to new interface

* Migrate (indexed) endpoints to new interface

* Fix for NameIDFormat

* Fix minor bugs

* Fix long lines

* Fix array key initializatino

* Only add isRequired attribute when it's true

* Update composer-file

* Remove unnecessary test; the saml2-lib ensures a specs-compliant representation of an AttributeConsumerService-element

* Fix annotation

* Update attributes.po

I corrected some German translations, mainly "Heimorganisation" to "Heimatorganisation"

* Update messages.po

I have corrected a few translations : mainly "Heimorganisation" to "Heimatorganisation".

We set them in the wrong place.

It seems likely to be copied from the 1.x way of generating SSP metadata
which also has this removal of UIInfo from the array from the very first
commit: 132a0dd2. But it seems safe to just remove the unset since we do add
UIInfo for IdP generated array form metadata.

Closes: #1808

* Migrate HTTP::redirect

* Migrate HTTP::redirectTrustedURL

* Migrate HTTP::redirectUntrustedURL

* Migrate HTTP::submitPOSTData

* Temporarily revert to make phpunit work

* Migrate logout handlers

* Remove unnecessary assertion & simplify logics

* Remove unnecessary assertion & add new one to check response type

* Remove unnecessary assertion & rationalize code

* Migrate IdPDisco

* Migrate ProcessingChain

* Fix return-type & drop unnecessary use-statement

* Address review comments

* Do not add caching headers at all

* Fix type-confusions

* Migrate saml2 bindings

* Migrate completeAuth

* Migrate handleLogout

* Migrate some more

* Migrate a whole lot more (messy)

* Migrate logout

* Migrate a whole lot more (also messy)

* Many fixes

* Raise coverage

* Psalm: Ignore exteranl adfs-module

* Replace use of _GET globals

* Migrate bindings (send)

* Migrate bindings (receive)

* Fix psalm-dev

* Fix assertion

* s/subclassOf/isInstanceOf

* Fix type-confusion in logout handlers

* Update container

* Bump saml2 + adfs

* Rename namespace